BULLETIN
Tropical Storm Helene Advisory Number 25
NWS National Hurricane Center Miami FL AL082018
1100 AM AST Thu Sep 13 2018
...HELENE WEAKENS TO A TROPICAL STORM WHILE MOVING NORTHWARD OVER
THE NORTHEASTERN ATLANTIC...
...INTERESTS IN THE AZORES SHOULD MONITOR THE PROGRESS OF HELENE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...24.8N 37.3W
ABOUT 1135 MI...1825 KM SW OF LAJES AIR BASE IN THE AZORES
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...N OR 355 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
Interests in the Azores should monitor the progress of Helene.
DISCUSSION AND OUTLOOK
----------------------
At 1100 AM AST (1500 UTC), the center of Tropical Storm Helene was
located near latitude 24.8 North, longitude 37.3 West. Helene is
moving toward the north near 14 mph (22 km/h). The system should
accelerate and turn toward the northeast by Sunday. On the
forecast track, Helene will be approaching the Azores late Saturday
or Sunday.
Maximum sustained winds have dropped to near 70 mph (110 km/h) with
higher gusts. Some continued weakening is forecast during the
next 72 hours.
Tropical-storm-force winds extend outward up to 140 miles (220 km)
from the center.
The estimated minimum central pressure is 989 mb (29.21 inches).
HAZARDS AFFECTING LAND
----------------------
None
NEXT ADVISORY
-------------
Next complete advisory at 500 PM AST.
https://www.nhc.noaa.gov/storm_graph...png/054223.png